Search talk: Object reference not set to an instance of an object

 
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Network adapter could not be opened CODESYS Forge talk (Thread)
Network adapter could not be opened
Last updated: 2019-11-23

OPC UA not working on 3.5.16.0 CODESYS Forge talk (Thread)
OPC UA not working on 3.5.16.0
Last updated: 2020-08-04

OPC UA Server (not available) CODESYS Forge talk (Thread)
OPC UA Server (not available)
Last updated: 2020-11-04

Legend with cyrillic not working CODESYS Forge talk (Thread)
Legend with cyrillic not working
Last updated: 2017-11-24

SFC boolean value not working properly CODESYS Forge talk (Thread)
SFC boolean value not working properly
Last updated: 2021-04-11

e!Cockpit is not installing CODESYS Forge talk (Thread)
e!Cockpit is not installing
Last updated: 2023-01-21

Could not open library 'SysSocket23, CODESYS Forge talk (Thread)
Could not open library 'SysSocket23,
Last updated: 2023-12-19

Color Change for Symbols not working CODESYS Forge talk (Thread)
Color Change for Symbols not working
Last updated: 2024-02-13

Codesys 3.5.12 Module not Found CODESYS Forge talk (Thread)
Codesys 3.5.12 Module not Found
Last updated: 2024-04-17

PLC Login Credentials Suddenly not Working CODESYS Forge talk (Thread)
PLC Login Credentials Suddenly not Working
Last updated: 2024-04-22

RevPi piBridgeRight not found in project. CODESYS Forge talk (Thread)
RevPi piBridgeRight not found in project.
Last updated: 2024-04-27

Could not be resolved - Library error CODESYS Forge talk (Thread)
Could not be resolved - Library error
Last updated: 2024-04-29

Softmotion not working with simulation mode CODESYS Forge talk (Thread)
Softmotion not working with simulation mode
Last updated: 2024-05-13

IoDrvModbusTCP_Diag not defined when using MODBUS CODESYS Forge talk (Thread)
IoDrvModbusTCP_Diag not defined when using MODBUS
Last updated: 2024-05-29

Modbus Client Request Not Processed CODESYS Forge talk (Thread)
Modbus Client Request Not Processed
Last updated: 2024-05-30

Raspberry Pi 4 POU not running CODESYS Forge talk (Thread)
Raspberry Pi 4 POU not running
Last updated: 2024-06-02

Raspberry Pi 4 POU not running CODESYS Forge talk (Thread)
Raspberry Pi 4 POU not running
Last updated: 2024-06-02

Download Missing Libraries not working CODESYS Forge talk (Thread)
Download Missing Libraries not working
Last updated: 2024-06-13

PFC100 Error "Bus not running" CODESYS Forge talk (Thread)
PFC100 Error "Bus not running"
Last updated: 2024-06-17

WAGO HMI Device not found CODESYS Forge talk (Thread)
WAGO HMI Device not found
Last updated: 2024-06-25

Post by mubeta on Reset problem with CMZ SD/SVM drive CODESYS Forge talk (Post)
In a recent project with SoftMotion 4.15.0.0, where I integrated two SD drives from CMZ (from catalogue EDS and not imported), on CANopen bus, I found that the SoftMotion MC_Reset function does not reset the drive faults. Even if the drive is in fault, either on the device or on the drive at the CoDeSys level, the function does not reset, instead reporting the error code: no error to reset. Finally, I had to connect the reset bit of the ControlWord directly to a tag in my program. Something I never had to do on other drives: Lexium, etc. all reset simply with MC_Reset.
Last updated: 2024-07-24

Post by timvh on Visuutils FbOpenDialog(Extended) not open Dialog from POUs CODESYS Forge talk (Post)
I had a similar situation recently where this didn't work, but read to the end to see the solution. The reason is that CODESYS only downloads visualisations (dialogs) if they are part of the project or linked to the project. In your case the dialog is not loaded onto the controller. But the solution is pretty simple: Double click on the Visualization Manager in your application. Select the Tab "Visualizations". Here you can see that your dialog is not "checked". Do this manually and load your project on the controller. Then your code should be able to open the dialog, because now it exists on the controller.
Last updated: 2024-09-28

Post by dhumphries on Not able to see input data coming from eip adapter on codesys CODESYS Forge talk (Post)
Does the device have a green icon next to it when the PLC is running? If not you have some kind of communication problem, wireshark may be picking up some data but the scanner may not be configured correctly to receive the data. Check the T>O and O>T bytes and make sure they match on both the scanner and adapter. I've had very little success loading a .eds file and having the configuration work without some manual configuration. If you have a green icon, have you enabled the device to always update variables?
Last updated: 2024-03-02

Post by timvh on Case Function - Multiple Conditions, Is it possible? CODESYS Forge talk (Post)
This is not possible. Possible solution could be: CASE var1 OF 10: CASE var2 OF 10:; 20:; END_CASE 20: CASE var2 OF 10:; 20:; END_CASE ELSE ; END_CASE
Last updated: 2024-11-05

Post by ivanmaltar on Codesys Control shutdown CODESYS Forge talk (Post)
Hello, the problem was that the 4.6.0.0 Codesys control was not compatible with S versions of the RevPi controller because of the becuase of the Compute Module 4S. For those controllers, 4.8.0.0 version must be used.
Last updated: 2024-03-25

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